December weather forecast
Uruguay

December in Uruguay marks the start of summer and is characterized by the year's highest temperatures. Average temperatures fluctuate from 18°C (64.4°F) during the night to a hot 28°C (82.4°F) during the day. The increase in temperature from November to December underscores Uruguay's transition into its warmest season.

In Montevideo, temperatures in December generally range between 19°C (66.2°F) and 27°C (80.6°F). The Atlantic Ocean continues to moderate the city's climate, ensuring that despite the onset of summer, temperatures remain relatively comfortable. The warmer weather is perfect for enjoying the city's beachside locations and outdoor spaces.

Similarly, Punta del Este sees temperatures averaging between 19°C (66.2°F) and 27°C (80.6°F). The warm, sunny weather draws many visitors to the beach, marking the peak of the beach season in Uruguay's most famous resort town.

In terms of rainfall, December experiences a further increase compared to November, with Uruguay receiving about 100mm (3.94") of precipitation over roughly nine days. This increase is characteristic of Uruguay's summer, which is known for its higher rainfall.

Inland regions like Tacuarembó also experience the heat of summer, with average highs reaching around 28°C (82.4°F). The absence of sea breezes can lead to hotter perceived temperatures during the peak of the day, especially during sunny afternoons.

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• Montevideo - December »
  With an average of 14h and 30min of daylight, December has the longest days of the year in Montevideo, Uruguay. On the last day of December, sunrise is at 05:33 and sunset at 20:01 -03.
• Punta del Este - December »
  December has the longest days of the year in Punta del Este, Uruguay, with an average of 14h and 30min of daylight. With an average of 14h and 30min of daylight, December has the longest days of the year in Punta del Este.
• Salto - December »
  December has the longest days of the year in Salto, with an average of 14h and 12min of daylight. In Salto, in December, during 5 rainfall days, 120mm (4.72") of precipitation is typically accumulated.
• Ciudad de la Costa - December »
  On the last day of December, in Ciudad de la Costa, sunrise is at 05:33 and sunset at 20:00 -03. On the first day of December in Ciudad de la Costa, sunrise is at 05:23 and sunset at 19:42.
• Rivera - December »
  The least humid month in Rivera is December, with an average relative humidity of 66%. The month with the longest days in Rivera is December, with an average of 14h and 6min of daylight.
• Durazno - December »
  In Durazno in December, during 10 rainfall days, 97mm (3.82") of precipitation is typically accumulated. In Durazno in December, it is raining for 10 days, with typically 97mm (3.82") of accumulated precipitation.
• La Paloma - December »
  In La Paloma in December, during 10.7 rainfall days, 53mm (2.09") of precipitation is typically accumulated. December has the longest days of the year in La Paloma with an average of 14h and 24min of daylight.
• Melo - December »
  December has the longest days of the year in Melo with an average of 14h and 12min of daylight. In Melo, Uruguay, during December, the rain falls for 4 days and regularly aggregates up to 83mm (3.27") of precipitation.
• Pando - December »
  With an average of 14h and 24min of daylight, December has the longest days of the year in Pando, Uruguay. The month with the longest days in Pando is December, with an average of 14h and 24min of daylight.
• Treinta y Tres - December »
  The month with the longest days in Treinta y Tres is December, with an average of 14h and 18min of daylight. December has the longest days of the year in Treinta y Tres, with an average of 14h and 18min of daylight.
• Villa Serrana - December »
  With an average of 14h and 24min of daylight, December has the longest days of the year in Villa Serrana, Uruguay. In Villa Serrana, during December, the rain falls for 10.7 days and regularly aggregates up to 53mm (2.09") of precipitation.
• Tacuarembo - December »
  In Tacuarembo, Uruguay, during December, the rain falls for 10 days and regularly aggregates up to 121mm (4.76") of precipitation. The month with the longest days in Tacuarembo, Uruguay, is December, with an average of 14h and 12min of daylight.